Subitizing Exercises:

In the special features, the viewers can subitize like TT and Bebo, returning to each setting, such as the Arctic or outer space. These exercises are in order from simplest to most difficult. Depending on their present abilities, some children will start with the first Subitizing Exercise, while others will want to start at a more difficult level. The Subitizing Exercises can be done with a whole class or by one or two children at home. By learning to subitize a child is learning:

-number sense
-to associate a number with a whole collection
-to visualize quantities and the associated number
-relationships between numbers
-to visualize subsets of a number
-to use subsets of numbers to quickly make addition and subtraction equations
-the foundation for quick and creative mental arithmetic place value concepts